William Larareo, ORNA
NPI 1073578266 · Certified Registered Nurse Anesthetist · Springfield, MA
William Larareo, ORNA is a Certified Registered Nurse Anesthetist provider in Springfield, MA (NPI 1073578266).
Provider details
- NPI number
- 1073578266
- Entity type
- Individual
- Primary specialty
- Certified Registered Nurse AnesthetistPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- ORNA
- Sex
- Male
- Sole proprietor
- No
- License
- 99196 (MA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-04-19
- Last updated
- 2008-04-17
Frequently asked questions
- What is William Larareo's NPI number?
- William Larareo's National Provider Identifier (NPI) is 1073578266, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Larareo's specialty?
- William Larareo is listed in the NPPES registry with a primary specialty of Certified Registered Nurse Anesthetist (Physician Assistants & Advanced Practice Nursing Providers).
- Where is William Larareo located?
- William Larareo's practice location on file with NPPES is 908 Allen St, Springfield, MA 01118-2533.
- What is William Larareo's phone number?
- The practice phone number listed in the NPPES registry for William Larareo is (413) 796-7494.
- Is William Larareo's NPI active?
- Yes — William Larareo's NPI (1073578266) is active in the NPPES registry as of the last update on 2008-04-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.